DHT 11 Sensor Connect the sensor with Arduino board like picture below. Download DHT11 Sensor library from http://www.hardcopyworld.com/ngine/aduino/?wpdmdl=2388 Add library to Arduino IDE
DHT 11 Sensor Configure serial port Open Serial monitor tool Copy the source from http://www.hardcopyworld.com/ngine/aduino/index.php/archives/190 Compile and Upload
HC-SR04 Connect the sensor with Arduino board like picture below. Copy the source from http://arduinobasics.blogspot.kr/2012/11/arduinobasics-hc-sr04-ultrasonic-sensor.html Compile and Upload